noun🔗Share地下鉄An underground railway, especially for mass transit of people in urban areas."My brother uses the underground to get to work every day. "兄は毎日地下鉄で仕事に行きます。vehicleareabuildingChat with AIVocabulary GamePractice Reading
noun🔗Share地下鉄A train that runs on such an underground railway."My brother took the underground to work this morning. "兄は今朝、地下鉄で仕事に行った。vehicletrafficChat with AIVocabulary GamePractice Reading
noun🔗Share地下鉄A rapid transit system, regardless of the elevation of its right of way."The new underground connects the city center to the university campus. "新しい地下鉄は、市の中心部と大学のキャンパスを結んでいます。vehiclesystemChat with AIVocabulary GamePractice Reading
noun🔗Share地下道An underground walkway, tunnel for pedestrians (called pedestrian underpass in US)."To get to school quickly, the students used the underground walkway. "学校に早く行くために、生徒たちは地下道を使いました。architecturebuildingplaceChat with AIVocabulary GamePractice Reading
noun🔗Share地下An underground route for pipes, sewers, etc."The construction crew worked on the underground, laying new sewer pipes. "建設チームは地下で作業し、新しい下水道管を敷設しました。utilitybuildingChat with AIVocabulary GamePractice Reading
noun🔗Share地下, 地中Regions beneath the surface of the earth, both natural (eg. caves) and man-made (eg. mines)."The spelunkers explored the fascinating underground caves. "探検家たちは魅力的な地下洞窟を探検しました。geologyarchaeologyareaenvironmentChat with AIVocabulary GamePractice Reading
noun🔗Share地下組織、抵抗運動(with definite article) A movement or organisation of people who resist political convention."the French underground during World War II"第二次世界大戦中のフランスの地下組織politicsorganizationgroupChat with AIVocabulary GamePractice Reading
noun🔗Shareアヴァンギャルド、アンダーグラウンド(with definite article) A movement or organisation of people who resist artistic convention."The underground was active in promoting alternative music at the school. "アンダーグラウンドは学校でオルタナティブ音楽を推進するのに活発でした。artcultureorganizationChat with AIVocabulary GamePractice Reading
verb🔗Share電気配線ケーブルを地下に埋設するTo route electricity distribution cables underground"The city is undergrounding the power cables to reduce the risk of outages. "停電のリスクを減らすため、市は電力ケーブルを地下に埋設しています。utilityelectrictechnologybuildingChat with AIVocabulary GamePractice Reading
adjective🔗Share地中の, 地下のBelow the ground; below the surface of the Earth."There is an underground tunnel that takes you across the river."川を渡る地下トンネルがあります。geologynatureenvironmentareaChat with AIVocabulary GamePractice Reading
adjective🔗Share秘密の, 隠れた, 内密のHidden, furtive, secretive."These criminals operate through an underground network."これらの犯罪者は秘密のネットワークを通じて活動している。culturepoliticssocietyChat with AIVocabulary GamePractice Reading
adjective🔗Shareアンダーグラウンドの, 非公式のOutside the mainstream, especially unofficial and hidden from the authorities."underground music"アンダーグラウンド音楽culturesocietypoliticsChat with AIVocabulary GamePractice Reading
adverb🔗Share地中に, 地下でBelow the ground."The tunnel goes underground at this point."この地点でトンネルは地中に入ります。geologyenvironmentplaceChat with AIVocabulary GamePractice Reading
adverb🔗Share秘密裏に, こっそりとSecretly."The student planned the surprise party underground, keeping it a secret from everyone. "学生は、誰にも秘密にして、秘密裏にサプライズパーティーを計画しました。politicsgovernmentChat with AIVocabulary GamePractice Reading
